I once tried to join in on some jazz riffing at Christmas. In spite of being a capable player, I really could not successfully contribute. I didn’t have the app

I once tried to join in on some jazz riffing at Christmas. In spite of being a capable player, I really could not successfully contribute. I didn’t have the appropriate practice of improvising to be successful. I really should’ve learned those blues scales my music teacher had given me. I guess my point here is, you’re right. The fundamentals are important. Both the guided and the free.